'm tom hudson, "n.b.r."'s diane eastabrook joins us to talk mcdonald's; from earnings to europe and rising food costs, the outlook for the fast-food giant. >> susie: and we kick off a week long look at cyber security, focusing on the big business of protecting you online. >> tom: that and more tonight on "n.b.r."! >> tom: stock markets around the world staged a sharp sell off today, led by losses in europe. fears continue building that spain might need a full-scale bailout. here in the u.s., stocks sold off early, but pared back the losses by the closing bell. the dow tumbled 101 points, it had been down, as much as, 240 points earlier in the session. the nasdaq lost 35, the s&p was down 12 points. erika miller reports spain's troubles now include the country's regional governments. >> reporter: valencia, spain has long been known for two things-- paella and its large port. but lately spain's third largest city has garnered unwanted attention as the first spanish region to seek a bailout. six others are in danger of following suit. >> it's worrisome, in the sense if they start t